Growth and superconducting properties of YBa{sub 2}Cu{sub 3}O{sub 7-{delta}} films on conductive SrRuO{sub 3} and LaNiO{sub 3} multilayers for coated conductor applications
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045 (United States)
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
- 3M Company, St. Paul, Minnesota 55144 (United States)
Conductive multilayers of YBa{sub 2}Cu{sub 3}O{sub 7-{delta}}/SrRuO{sub 3}/LaNiO{sub 3} (YBCO/SRO/LNO), YBCO/SRO, and YBCO/LNO were grown epitaxially on single-crystal LaAlO{sub 3} and SrTiO{sub 3} substrates. Property characterizations revealed that the YBCO films on SRO and SRO/LNO buffer structures have excellent structural and superconducting properties. The YBCO/LNO, however, suffers degradation in superconducting transition temperatures and critical current densities, despite a good crystalline structure. The SRO/LNO bilayer showed excellent electrical contact with YBCO. These results have demonstrated the structural and chemical compatibility of SRO/LNO multilayers with YBCO and their potential use as conductive buffer layers for YBCO-based coated conductors as well as for other high-temperature superconducting applications. (c) 2000 American Institute of Physics.
- OSTI ID:
- 20215270
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 6 Vol. 76; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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